1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
/*
* VC-1 and WMV3 decoder
* copyright (c) 2011 Mashiat Sarker Shakkhar
* copyright (c) 2006 Konstantin Shishkov
* (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* VC-1 tables.
*/
#include "vc1.h"
#include "vc1data.h"
#include "vlc.h"
/** Table for conversion between TTBLK and TTMB */
const int ff_vc1_ttblk_to_tt[3][8] = {
{ TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT },
{ TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP },
{ TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP }
};
const int ff_vc1_ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 };
/** MV P mode - the 5th element is only used for mode 1 */
const uint8_t ff_vc1_mv_pmode_table[2][5] = {
{ MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV },
{ MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN }
};
const uint8_t ff_vc1_mv_pmode_table2[2][4] = {
{ MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV },
{ MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN }
};
/* MBMODE table for interlaced frame P-picture */
const uint8_t ff_vc1_mbmode_intfrp[2][15][4] = {
{ /* 1: 4-MV, 0: non-4-MV */
/* Type, FIELDTX, 1-MV Differential present, Residuals (CBP) present */
/* Table 164 - Table 167 */
{ MV_PMODE_INTFR_1MV , 0, 1, 1 },
{ MV_PMODE_INTFR_1MV , 1, 1, 1 },
{ MV_PMODE_INTFR_1MV , 0, 1, 0 },
{ MV_PMODE_INTFR_1MV , 0, 0, 1 },
{ MV_PMODE_INTFR_1MV , 1, 0, 1 },
{ MV_PMODE_INTFR_2MV_FIELD, 0, 0, 1 },
{ MV_PMODE_INTFR_2MV_FIELD, 1, 0, 1 },
{ MV_PMODE_INTFR_2MV_FIELD, 1, 0, 0 },
{ MV_PMODE_INTFR_INTRA , 0, 0, 0 }
},
{
/* Table 160 - Table 163 */
{ MV_PMODE_INTFR_1MV , 0, 1, 1 },
{ MV_PMODE_INTFR_1MV , 1, 1, 1 },
{ MV_PMODE_INTFR_1MV , 0, 1, 0 },
{ MV_PMODE_INTFR_1MV , 0, 0, 1 },
{ MV_PMODE_INTFR_1MV , 1, 0, 1 },
{ MV_PMODE_INTFR_2MV_FIELD, 0, 0, 1 },
{ MV_PMODE_INTFR_2MV_FIELD, 1, 0, 1 },
{ MV_PMODE_INTFR_2MV_FIELD, 1, 0, 0 },
{ MV_PMODE_INTFR_4MV , 0, 0, 1 },
{ MV_PMODE_INTFR_4MV , 1, 0, 1 },
{ MV_PMODE_INTFR_4MV , 0, 0, 0 },
{ MV_PMODE_INTFR_4MV_FIELD, 0, 0, 1 },
{ MV_PMODE_INTFR_4MV_FIELD, 1, 0, 1 },
{ MV_PMODE_INTFR_4MV_FIELD, 1, 0, 0 },
{ MV_PMODE_INTFR_INTRA , 0, 0, 0 }
}
};
const int ff_vc1_fps_nr[7] = { 24, 25, 30, 50, 60, 48, 72 },
ff_vc1_fps_dr[2] = { 1000, 1001 };
const uint8_t ff_vc1_pquant_table[3][32] = {
/* Implicit quantizer */
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31 },
/* Explicit quantizer, pquantizer uniform */
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 },
/* Explicit quantizer, pquantizer non-uniform */
{ 0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31 }
};
/** @name VC-1 VLC tables
* @todo TODO move this into the context
*/
//@{
VLCElem ff_vc1_imode_vlc[1 << VC1_IMODE_VLC_BITS];
VLCElem ff_vc1_norm2_vlc[1 << VC1_NORM2_VLC_BITS];
VLCElem ff_vc1_norm6_vlc[556];
/* Could be optimized, one table only needs 8 bits */
const VLCElem *ff_vc1_ttmb_vlc[3];
const VLCElem *ff_vc1_mv_diff_vlc[4];
const VLCElem *ff_vc1_cbpcy_p_vlc[4];
const VLCElem *ff_vc1_icbpcy_vlc[8];
const VLCElem *ff_vc1_4mv_block_pattern_vlc[4];
const VLCElem *ff_vc1_2mv_block_pattern_vlc[4];
const VLCElem *ff_vc1_ttblk_vlc[3];
const VLCElem *ff_vc1_subblkpat_vlc[3];
const VLCElem *ff_vc1_intfr_4mv_mbmode_vlc[4];
const VLCElem *ff_vc1_intfr_non4mv_mbmode_vlc[4];
const VLCElem *ff_vc1_if_mmv_mbmode_vlc[8];
const VLCElem *ff_vc1_if_1mv_mbmode_vlc[8];
const VLCElem *ff_vc1_1ref_mvdata_vlc[4];
const VLCElem *ff_vc1_2ref_mvdata_vlc[8];
const VLCElem *ff_vc1_ac_coeff_table[8];
//@}
#if B_FRACTION_DEN == 840 // original bfraction from vc9data.h, not conforming to standard
/* bfraction is fractional, we scale to the GCD 3*5*7*8 = 840 */
const int16_t ff_vc1_bfraction_lut[23] = {
420 /*1/2*/, 280 /*1/3*/, 560 /*2/3*/, 210 /*1/4*/,
630 /*3/4*/, 168 /*1/5*/, 336 /*2/5*/,
504 /*3/5*/, 672 /*4/5*/, 140 /*1/6*/, 700 /*5/6*/,
120 /*1/7*/, 240 /*2/7*/, 360 /*3/7*/, 480 /*4/7*/,
600 /*5/7*/, 720 /*6/7*/, 105 /*1/8*/, 315 /*3/8*/,
525 /*5/8*/, 735 /*7/8*/,
-1 /*inv.*/, 0 /*BI fm*/
};
#else
/* pre-computed scales for all bfractions and base=256 */
const int16_t ff_vc1_bfraction_lut[23] = {
128 /*1/2*/, 85 /*1/3*/, 170 /*2/3*/, 64 /*1/4*/,
192 /*3/4*/, 51 /*1/5*/, 102 /*2/5*/,
153 /*3/5*/, 204 /*4/5*/, 43 /*1/6*/, 215 /*5/6*/,
37 /*1/7*/, 74 /*2/7*/, 111 /*3/7*/, 148 /*4/7*/,
185 /*5/7*/, 222 /*6/7*/, 32 /*1/8*/, 96 /*3/8*/,
160 /*5/8*/, 224 /*7/8*/,
-1 /*inv.*/, 0 /*BI fm*/
};
#endif
//Same as H.264
const AVRational ff_vc1_pixel_aspect[16] = {
{ 0, 1 },
{ 1, 1 },
{ 12, 11 },
{ 10, 11 },
{ 16, 11 },
{ 40, 33 },
{ 24, 11 },
{ 20, 11 },
{ 32, 11 },
{ 80, 33 },
{ 18, 11 },
{ 15, 11 },
{ 64, 33 },
{ 160, 99 },
{ 0, 1 },
{ 0, 1 }
};
const uint8_t ff_wmv3_dc_scale_table[32] = {
0, 2, 4, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13,
14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21
};
/* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */
/* Table 232 */
const uint8_t ff_vc1_simple_progressive_4x4_zz [16] = {
0, 8, 16, 1,
9, 24, 17, 2,
10, 18, 25, 3,
11, 26, 19, 27
};
const uint8_t ff_vc1_adv_progressive_8x4_zz [32] = { /* Table 233 */
0, 8, 1, 16, 2, 9, 10, 3,
24, 17, 4, 11, 18, 12, 5, 19,
25, 13, 20, 26, 27, 6, 21, 28,
14, 22, 29, 7, 30, 15, 23, 31
};
const uint8_t ff_vc1_adv_progressive_4x8_zz [32] = { /* Table 234 */
0, 1, 8, 2,
9, 16, 17, 24,
10, 32, 25, 18,
40, 3, 33, 26,
48, 11, 56, 41,
34, 49, 57, 42,
19, 50, 27, 58,
35, 43, 51, 59
};
const uint8_t ff_vc1_adv_interlaced_8x8_zz [64] = { /* Table 235 */
0, 8, 1, 16, 24, 9, 2, 32,
40, 48, 56, 17, 10, 3, 25, 18,
11, 4, 33, 41, 49, 57, 26, 34,
42, 50, 58, 19, 12, 5, 27, 20,
13, 6, 35, 28, 21, 14, 7, 15,
22, 29, 36, 43, 51, 59, 60, 52,
44, 37, 30, 23, 31, 38, 45, 53,
61, 62, 54, 46, 39, 47, 55, 63
};
const uint8_t ff_vc1_adv_interlaced_8x4_zz [32] = { /* Table 236 */
0, 8, 16, 24, 1, 9, 2, 17,
25, 10, 3, 18, 26, 4, 11, 19,
12, 5, 13, 20, 27, 6, 21, 28,
14, 22, 29, 7, 30, 15, 23, 31
};
const uint8_t ff_vc1_adv_interlaced_4x8_zz [32] = { /* Table 237 */
0, 1, 2, 8,
16, 9, 24, 17,
10, 3, 32, 40,
48, 56, 25, 18,
33, 26, 41, 34,
49, 57, 11, 42,
19, 50, 27, 58,
35, 43, 51, 59
};
const uint8_t ff_vc1_adv_interlaced_4x4_zz [16] = { /* Table 238 */
0, 8, 16, 24,
1, 9, 17, 2,
25, 10, 18, 3,
26, 11, 19, 27
};
/* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */
const int32_t ff_vc1_dqscale[63] = {
0x40000, 0x20000, 0x15555, 0x10000, 0xCCCD, 0xAAAB, 0x9249, 0x8000,
0x71C7, 0x6666, 0x5D17, 0x5555, 0x4EC5, 0x4925, 0x4444, 0x4000,
0x3C3C, 0x38E4, 0x35E5, 0x3333, 0x30C3, 0x2E8C, 0x2C86, 0x2AAB,
0x28F6, 0x2762, 0x25ED, 0x2492, 0x234F, 0x2222, 0x2108, 0x2000,
0x1F08, 0x1E1E, 0x1D42, 0x1C72, 0x1BAD, 0x1AF3, 0x1A42, 0x199A,
0x18FA, 0x1862, 0x17D0, 0x1746, 0x16C1, 0x1643, 0x15CA, 0x1555,
0x14E6, 0x147B, 0x1414, 0x13B1, 0x1352, 0x12F7, 0x129E, 0x1249,
0x11F7, 0x11A8, 0x115B, 0x1111, 0x10C9, 0x1084, 0x1041
};
/* P Interlaced field picture MV predictor scaling values (Table 114) */
const uint16_t ff_vc1_field_mvpred_scales[2][7][4] = {
// Refdist:
// 0 1 2 3 or greater
{ // current field is first
{ 128, 192, 213, 224 }, // SCALEOPP
{ 512, 341, 307, 293 }, // SCALESAME1
{ 219, 236, 242, 245 }, // SCALESAME2
{ 32, 48, 53, 56 }, // SCALEZONE1_X
{ 8, 12, 13, 14 }, // SCALEZONE1_Y
{ 37, 20, 14, 11 }, // ZONE1OFFSET_X
{ 10, 5, 4, 3 } // ZONE1OFFSET_Y
},
{ // current field is second
{ 128, 64, 43, 32 }, // SCALEOPP
{ 512, 1024, 1536, 2048 }, // SCALESAME1
{ 219, 204, 200, 198 }, // SCALESAME2
{ 32, 16, 11, 8 }, // SCALEZONE1_X
{ 8, 4, 3, 2 }, // SCALEZONE1_Y
{ 37, 52, 56, 58 }, // ZONE1OFFSET_X
{ 10, 13, 14, 15 } // ZONE1OFFSET_Y
}
};
/* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */
const uint16_t ff_vc1_b_field_mvpred_scales[7][4] = {
// BRFD:
// 0 1 2 3 or greater
{ 171, 205, 219, 228 }, // SCALESAME
{ 384, 320, 299, 288 }, // SCALEOPP1
{ 230, 239, 244, 246 }, // SCALEOPP2
{ 43, 51, 55, 57 }, // SCALEZONE1_X
{ 11, 13, 14, 14 }, // SCALEZONE1_Y
{ 26, 17, 12, 10 }, // ZONE1OFFSET_X
{ 7, 4, 3, 3 } // ZONE1OFFSET_Y
};
|
